GADOMSKI, L.; GLAVAN, V. Expected shortfall and Harell-Davis estimators of value-at-risk. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 11, n. 1, p. 81–89, 2010. Disponível em: https://qme.sggw.edu.pl/article/view/3050. Acesso em: 3 lip. 2024.